<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>

      <!-- 表单 -->
      <el-form
        ref="loginFormdom"
        :model="loginForm"
        class="login_form"
        :rules="loginRules"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            placeholder="用户名"
            prefix-icon="iconfont icon-user"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            placeholder="密码"
            prefix-icon="iconfont icon-3702mima"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="primary" @click="reset">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 这是登录数据绑定对象
      loginForm: {
        username: "admin",
        password: "123456",
      },
      //这是登录数据输入规则对象 form里面 :rule='loginRules'
      loginRules: {
        //判断用户名是否合法   item里面
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 1, max: 5, message: "长度在 1 到 5 个字符", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入用户密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    reset() {
      this.$refs.loginFormdom.resetFields();
    },
    login() {
      // 表单校验 饿了么提供的 validate函数 valid为boolen值 通过rule验证以后 valid返回true
      this.$refs.loginFormdom.validate(async (valid) => {
        // console.log(valid)
        
        if (!valid) return; //valid验证失败 不发送请求 下面通过发送axios请求
        const { data } = await this.$http.post("login", this.loginForm);
       
        if (data.meta.status != 200) {
          return this.$message.error("账号密码不对噢笨瓜");
        } //密码不对 通过饿了么message方法弹框
        console.log("登录成功");
        this.$message.success("成功登录啦");
        
        window.sessionStorage.setItem("token",data.data.token);
        this.$router.push("/home");
      });
    },
  },
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 500px;
  height: 300px;
  background-color: #fff;
  border-radius: 10px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    background-color: #fff;
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    img {
      height: 100%;
      width: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.btns {
  display: flex;
  justify-content: flex-end;
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>
